1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/Makefile Mon Oct 15 21:59:18 2018 +0200
1.3 @@ -0,0 +1,75 @@
1.4 +# Makefile - Build the BlinkPIC32 payload
1.5 +#
1.6 +# Copyright (C) 2015, 2017, 2018 Paul Boddie <paul@boddie.org.uk>
1.7 +# Copyright (C) Xiangfu Liu <xiangfu@sharism.cc>
1.8 +#
1.9 +# This program is free software: you can redistribute it and/or modify
1.10 +# it under the terms of the GNU General Public License as published by
1.11 +# the Free Software Foundation, either version 3 of the License, or
1.12 +# (at your option) any later version.
1.13 +#
1.14 +# This program is distributed in the hope that it will be useful,
1.15 +# but WITHOUT ANY WARRANTY; without even the implied warranty of
1.16 +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.17 +# GNU General Public License for more details.
1.18 +#
1.19 +# You should have received a copy of the GNU General Public License
1.20 +# along with this program. If not, see <http://www.gnu.org/licenses/>.
1.21 +
1.22 +ARCH = mipsel-linux-gnu
1.23 +CC = $(ARCH)-gcc
1.24 +LD = $(ARCH)-ld
1.25 +NM = $(ARCH)-nm
1.26 +OBJCOPY=$(ARCH)-objcopy
1.27 +OBJDUMP=$(ARCH)-objdump
1.28 +
1.29 +# NOTE: -O2 is actually needed to prevent memcpy references, whereas probably
1.30 +# NOTE: one of the -f{freestanding, no-hosted, no-builtin} options should work.
1.31 +# NOTE: See: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56888
1.32 +
1.33 +CFLAGS = -O2 -Wall \
1.34 + -fno-unit-at-a-time -fno-zero-initialized-in-bss \
1.35 + -ffreestanding -fno-hosted -fno-builtin \
1.36 + -march=mips32
1.37 +LDFLAGS = -nostdlib -EL
1.38 +
1.39 +TARGET = blink.elf
1.40 +DUMP = $(TARGET:.elf=.dump)
1.41 +MAP = $(TARGET:.elf=.map)
1.42 +SCRIPT = $(TARGET:.elf=.ld)
1.43 +
1.44 +HEX = $(TARGET:.elf=.hex)
1.45 +SREC = $(TARGET:.elf=.srec)
1.46 +
1.47 +# Ordering of objects is important and cannot be left to replacement rules.
1.48 +
1.49 +SRC = blink.S
1.50 +OBJ = blink.o
1.51 +
1.52 +.PHONY: all clean distclean
1.53 +
1.54 +all: $(HEX) $(SREC)
1.55 +
1.56 +clean:
1.57 + rm -f $(OBJ) $(TARGET) $(HEX) $(SREC) $(DUMP) *.map
1.58 +
1.59 +distclean: clean
1.60 + echo "Nothing else to clean."
1.61 +
1.62 +$(HEX): $(TARGET)
1.63 + $(OBJCOPY) -O ihex $(TARGET) $(HEX)
1.64 +
1.65 +$(SREC): $(TARGET)
1.66 + $(OBJCOPY) -O srec $(TARGET) $(SREC)
1.67 +
1.68 +$(TARGET): $(OBJ)
1.69 + $(LD) $(LDFLAGS) -T $(SCRIPT) $(OBJ) -o $@
1.70 + $(OBJDUMP) -D $(TARGET) > $(DUMP)
1.71 + $(OBJDUMP) -h $(TARGET) > $(MAP)
1.72 + $(NM) -n $(TARGET) > System.map
1.73 +
1.74 +.c.o:
1.75 + $(CC) -c $(CFLAGS) $< -o $@
1.76 +
1.77 +.S.o:
1.78 + $(CC) -c $(CFLAGS) $< -o $@